add ExDoc dependency

1 files changed, 2 insertions, 1 deletions

diff --git a/mix.exs b/mix.exs
index 88cf1aa..29bc2e5 100644
--- a/mix.exs
+++ b/mix.exs
@@ -39,7 +39,8 @@ defmodule MatrixAppService.MixProject do
       {:telemetry_poller, "~> 0.4"},
       {:jason, "~> 1.0"},
       {:plug_cowboy, "~> 2.0"},
-      {:polyjuice_client, "~> 0.2.3"}
+      {:polyjuice_client, "~> 0.2.3"},
+      {:ex_doc, "~> 0.22", only: :dev, runtime: false}
     ]
   end